How does an increase in reactant concentration affect the rate of reaction A.) it leads to more frequent collisions, which increase reaction rate
B.) it leads to less frequent collisions, which increase reaction rate
C.) it leads to more frequent collisions, which decrease reaction rate
D.) it leads to less frequent collisions, which decrease reaction rate

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !

The density of benzene at 15 °c is 0.8787 g/ml. calculate the mass of 0.1500 l of benzene at this temperature. enter your answer in terms of grams

In a ball-and-stick molecular model, what do the sticks represent?